From ad12f36ecdf367fab221969e61083bc759ce9c51 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Fri, 20 Dec 2013 16:15:44 +0100
Subject: [PATCH] Keep Transaction singleton in clean state and store close
 parameter

If an exception happens in the start (database connection fails), the singleton
should not have stored anything.
---
 trytond/transaction.py | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/trytond/transaction.py b/trytond/transaction.py
index 691dd0679f..20db532924 100644
--- a/trytond/transaction.py
+++ b/trytond/transaction.py
@@ -79,13 +79,16 @@ class Transaction(local):
         assert self.close is None
         assert self.context is None
         if not database_name:
-            self.database = Database().connect()
+            database = Database().connect()
         else:
-            self.database = Database(database_name).connect()
+            database = Database(database_name).connect()
         Flavor.set(Database.flavor)
-        self.cursor = self.database.cursor(readonly=readonly,
+        cursor = database.cursor(readonly=readonly,
             autocommit=autocommit)
         self.user = user
+        self.database = database
+        self.cursor = cursor
+        self.close = close
         self.context = context or {}
         self.create_records = {}
         self.delete_records = {}